Products

We stick to our company spirit of “Quality, Effectiveness, Innovation and Integrity”. We purpose to create far more value for our shoppers with our abundant resources, sophisticated machinery, experienced workers and exceptional expert services for Hot New Products China Heavy Duty Overhead Door Closer Power Adjustable, With a wide range, top quality, sensible price ranges and stylish designs,Our merchandise are widely recognized and dependable by users and can meet up with continuously changing economic and social needs.
We stick to our company spirit of “Quality, Effectiveness, Innovation and Integrity”. We purpose to create far more value for our shoppers with our abundant resources, sophisticated machinery, experienced workers and exceptional expert services for China Door Closer, Door Lock, We welcome you to visit our company & factory and our showroom displays various merchandise that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to deliver you with the best services. If you want more information, remember to do not hesitate to contact us via E-mail, fax or telephone.

Recommended for interior or exterior doors including:
• Offices
• Banks
• Retail Malls
• Hotels
• Health Care
• Clinics

CE marking is a key indicator of compliance with European Union legislation. All products which fall within the scope of the EU’s New Approach Directives and comply with all essential requirements must carry the CE mark.

As closers for fire/smoke doors have a critical safety function, application of the CE mark requires independent verification by a notified certification body involving initial type-testing of the product to BS EN 1154 and/or BS EN 1155, inspection of the manufacturer’s factory production control and continuing surveillance and approval of the factory production control system.

Dorrenhaus comprises R&D center, testing laboratory,manufacturing center and sales dept, has over 10 in-service engineers and research specialists. Since it was founded, developing High performance door control products has always been the objective of Dorrenhaus. Dorrenhaus people have continuously tried to improve product quality, introducing oversea high and new technical equipment,giving our company good technical capabilities. Moreover, all of our R&D engineers has more than 20 years experience in door closer industry.

*Recommended for, but not limited to interior doors including:
Aftermarket: Office doors, Utility doors, Storage doors
Storefront: Retail/Outlet malls, Convenience stores, Warehouse doors

We stick to our company spirit of “Quality, Effectiveness, Innovation and Integrity”. We purpose to create far more value for our shoppers with our abundant resources, sophisticated machinery, experienced workers and exceptional expert services for Hot New Products China Heavy Duty Overhead Door Closer Power Adjustable, With a wide range, top quality, sensible price ranges and stylish designs,Our merchandise are widely recognized and dependable by users and can meet up with continuously changing economic and social needs.
Hot New Products China Door Closer, Door Lock, We welcome you to visit our company & factory and our showroom displays various merchandise that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to deliver you with the best services. If you want more information, remember to do not hesitate to contact us via E-mail, fax or telephone.